TABLE 1.

Study Patients' Characteristics

CharacteristicNo NBI (N = 2256)CONS Bacteremia (N = 372)Other Bacteremia (N = 232)Fungemia (N = 85)All (N = 2809)*
BW (g, mean ± SD)1113 ± 255872 ± 246873 ± 221768 ± 2051066 ± 269
Gestation (wk, mean ± SD)29 ± 326 ± 226 ± 225 ± 228 ± 3
Gender, % female5047434750
White maternal race, %6868615368
SGA, %2613121124
Any antenatal steroids, %8077817180
Singletons, %7177667572
Inborn, %8275696481
Prenatal care, %9695969396
1-Min Apgar <52844454631
5-Min Apgar <5497185
Surfactant administered, %6488919168
Conventional ventilator used, %6692939471
High-frequency ventilation, %2147546026
CLD at 36 wk, %2454585930
PDA, %2140414724
Grade 3–4 IVH, %497135
Stage 3–4 ROP, %624283710
NEC, %31320195
  • PDA indicates patent ductus arteriosus; IVH, intraventricular hemorrage; ROP, retinopathy of prematurity.

  • * A total of 125 patients had multiple types of NBI.

  • Arithmetic mean